20434355224207 has 2 divisors, whose sum is σ = 20434355224208. Its totient is φ = 20434355224206.

The previous prime is 20434355224201. The next prime is 20434355224273. The reversal of 20434355224207 is 70242255343402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20434355224207 - 2¹⁹ = 20434354699919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20434355224201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217177612103 + 10217177612104.

It is an arithmetic number, because the mean of its divisors is an integer number (10217177612104).

Almost surely, 2^{20434355224207} is an apocalyptic number.

20434355224207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20434355224207 is an equidigital number, since it uses as much as digits as its factorization.

20434355224207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 43.

The spelling of 20434355224207 in words is "twenty trillion, four hundred thirty-four billion, three hundred fifty-five million, two hundred twenty-four thousand, two hundred seven".